Alarm-whistle.



PATENTED JULY 28, 1908.

APPLICATION FILED HOV.26,1907.

. 2 SHEETS-SHEET 1.

No. 894,321. PATENTED JULY 28, 1908.

J. GORDON, J11. ALARM WHISTLE.

APPLICATION FILED NOV. 26, 1907.

2 SHEETS-SHEET 2.

Wit memes citizen of the United tcctocl by a ring of wire goons 4, Wliilc tli'cwirc dislc 5.

@TLFMCE.

lpocificction of motors Potent.

smeared M 28, 1908.

Application filed 1? ovcmocr 26, 1867. Eerisl No. 162,395.

To all whom it may concern:

The turbine rotates in the direction of the Be it known tiat I, Joiin GORDON, Jr, a i orrow (Fig. 5) and tl16f6fl$53d6 oi ezicliopcn- States, residing at New Rochelle, Westchcstcr county, New York, have invented certain new and useful 1m provcmcnts in Eskimoshistics, oi which the following is. a full, clear, and. exact description.

My invention relates to improvements in mechanical alarm whistles.

The object of tlio invsniion is to furnish an alarm dcvico which may conveniently used. in any conn tation where on alarm is necessary, for example, on on automobile or vessel. 7

Ssvorcl advantages are goinsol by my iinproved construction, among-which Elf-B compsctness, economy space occupied, anti protection from tho olemsnts of such ports as require such protection. The construction of the Whistle props! is ini orovod insevoral clstsils, and in the preferred form i may smploy broking mechanism wb'oroby the whistle wil be more perfectly under control.

Other advantages Wlll be apparent from 9.

reading of the following description.

In the drawings, Figure 1' a side clever tion of my invention; Fig. :2 is a front claystion; Fig. 3 is a longitudinal section, partly in elevation; is a section through tiio brockct, showing certain parts in roar encl elevation; 5 is a. detail View msinlyin section; i 6 a. similar View of another detail.

The apparatus is hold in a. casing which is divided by a. dust and moisture proof parti tion to form. two soctioocl' chambers, one of v which i Wiii term the whistle or sncn. section,

indicated at l, and the other 9, motor section, indicated at 2. i

3 is the dust ii-IlLi moisture proof partition bot-Ween sold chambers, the some being best seen in Fig. The peripheral wall of the section 1 is provided with air outlet orts, While tlie front wall thereof is providofwith smoir inlet port. The outlet ports prosir admission port in. front is protctcd by a? inside lie casing 1 is I mounted upon central This turoinc may be o: "tructccl 1', but in ireicro circumr casing in front. 7 7 oartition tlicrcin. lo. ills periphilic casing owl llciwccn each pair on cult-t port (sco Big. 5).

:. Willi tlls turbii short 5.

" v y 1': proved mnnnc struction com pi arc mill oral m ll oi 'ocrti 5), so that the two edges 8 and 9 will coact to sharply cut of? any air escaping through the orts when the turbine is rotated sufficiently for to bring said edges into juxtaposition. The forward edge of ssch radial partition 7 at the central air opening is out back, as indicated at 10 (Fig. 3), since by this crmngemoot superior results are obtained. i1 is o screw acting as a key to lock the hub of the turbine on shaft 6.

12 is on electric mot-or mounted in chamber 2, said shaft 6 being said motor shaft. The shaft 5 projects through the partition wall 3 and has 9. suitable bearing therein.

13 is :1 combined bearing and sp seer Washer to give the proper offset of the turbine from the partition 3. The motor is-sccursd in any desired Way, but preferably by moons of screws 14[-1, which pass through the oxtornal Wall of the section 2, which screws also preferably pass through the bifurcated arms of a. bracket 15, so that said screws will at once perform the function of holding the motor 12, section "2 and bracket 15. The bracket may, of course, ha of any desired de- Sign, so long as it will properly support the mechanism.

16-16 represent brush holders adapted to the motor.

material. mounted, one on each brush holder, both cops 17 being held by a single bowspring 18. This spring may have two eyes formed at opposite ends which ovcrstand the central projections on caps l7-17, so as to steady the brush holders 16.

19 is a flange, preferably on section. hand designed to make a; cover fit Wit-l the section 2. By providing means of disconnection at this point, the parts 1 and 2 may be readily separated to gain access to the motor. Other fastsning screws may be employed to conncct said ports. At the rear of section 2 is a. cop-like. cover "20 adopted to ovcrstand the rear end bf tlic motor.

21 represents circuit wircs loading in through cover 20 in nuiliiug proper connection with tlic'molor 12. I

'llic battery and circuit closer are not shown sinvc any suitable form of generator JFK-17 are Washers or CitPB of insulating may be employed, as well as circuit-closing mechanism.

As shown in Eig. 6, a braking mechanism is preferably employed, the same comprising a plunger 22 suitably mounted in the case, with its forward end arranged to press against some part of the turbine, so as to frictionally check the rotation of the same when it is desired to stop the alarm. 23 is a spring normally operating to )ress the plunger 22 into a position to ohecl i the turbine. 24 is an electro magnet. This magnet is suitably connected in circuit with the motor 12, with the result that when the circuit through the motor is closed, it will also be closed through the magnet 24 and the plunger 22 will be withdrawn to release the turbine at the instant the motor 12 starts to rotate. It is by the rapid rotation of the turbine and the quick cutting off of the escaping air at the peripheral openings that produces the sound or whistle. The instant the circuit is broken through the motor 12, it is like-wise broken through the magnet 24-, whereupon the plunger 22 is forced ahead and the turbine, instead of being permitted to come slowly to rest, is brought quickly to a standstill, checking the alarm in a very short space of time, a feature of substantial importance.

The size of the opening in the central forward part of the sect-ion 1 corresponds by preference substantially to the size of the central air opening at the front of the turbine. The section 1 may be secured to section 2 in any well known manner, but preferably by screws 26 which pass directly through the dust and moisture prootpartition 3, thus rigidly clamping the parts 1, 2 and 12 together, for, as will be seen, if the part 1 is secured to motor 12, it follows that it will be secured with equal firmness to the section 2, because the section 2 and motor 12 are rigidly connected by the transverse screws 14. By this arrangement great strength and rigidity is imparted to the structure, which is of material advantage, because, to get the most successful results, there should be no looscncss between the parts. otherwise the ellicicncy of the turbine would be matcrialtv 1 5 a single means i'or tying together the bracket,

reduced.

The alarm may be applied wherever a source electricityi available. such as, for example, z= battery. The means ol' control steering handle. In a vessel the alarm can be placed outside, while the controlling means may be be located in the pilot house or other shelter. All flexible connections between the operating parts are avoided, so that wear and breakage are reduced to a minimum. By the arrangement shown great compactness is afforded, for in a very small space both the motor and sound producer may be incloscd.

it is of great importance to have an ef fective partition, such as 3, because in practice the turbine chamber 1 isexposed to the elements, and were it not that an effective dust and moisture proof partition is arranged.

between the turbine chamber and the motor chamber, the motor would 1n a very short time become injured or completely disabled.

The frame of the motor is preferably cylindrical in outline, and the wall of the section 2 is preferably of such a diameteras to fit snugly thereon, so that said parts will n1utually reinforce and support one another.

What I claim is:

1.- In an alarm of. the character described, a unitary casing including a turbine section, a motor section and a dust-proof partition separating the same.

3. in an alarm of the character described,

a unitary casing including a turbine section, a motor section, a partition separating the same, a motor, a motor shaft penetrating said partition centrally, a turbine carried thereon and on the opposite side of said'par- 'tition from said motor, a fastening means to secure said parts together comprising side r-ounectitms between one part of said casing and the frame of said motor, and end connections between the partition and the end of said motor.

4. in an alarm ol' the character described, a unitary casing, a motor therein, a bracket,

driven by the motor, and a partition between may be plan-d at any point remote from the alarm itsrll. l'or t.\.'l illllt. in an untolnoliil'c the alarm may be placed on the lront, while the circuit closer may be located on the said whistle and motor.

JOHN GORDON, JR. \"fitnesses:

it. (I. Eirrcnum, Imxcnox Moons.

. 2. In an alarm of the character described,

' casing and motor at one point, a Whistlev 

